Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7600c3b011a26d9…

MALICIOUS

PDF

45.5 KB Created: 2020-08-03 11:18:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e62ffafab46ef96b647f178ae9b9011a SHA-1: c09e4f3156e1d21723b84044130e4dbb12125e1b SHA-256: c7600c3b011a26d9f6b5fea68319f472259d26b7a46d14e997acf126edd45dfa
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a link farm designed to redirect users to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a URL that points to a redirector. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm used for SEO poisoning or to obscure the final malicious destination. The SE_CALLBACK_LURE heuristic further suggests a social engineering pretext, likely to trick users into clicking the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=husqvarna+51+chainsaw In PDF document text
    • http://files.saranicole2612.com/uploads/1/3/1/8/131856907/4460cec58.pdfIn PDF document text
    • http://mupejon.firebirdnewzeal.org/uploads/1/3/1/4/131438641/710242f7ecb.pdfIn PDF document text
    • http://files.dammaimorganllc.com/uploads/1/3/1/3/131378953/lerikexizabu.pdfIn PDF document text
    • http://files.monocacycreekhouseconcerts.com/uploads/1/3/2/6/132695491/galiwip_pamopidunisox.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9291/8937/files/74067972569.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8334/1728/files/66118920112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9386/1279/files/67652442748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1020/3556/files/wisitepezeredakoru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8631/5684/files/mewejiverivezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/test_1879eb6a-339e-4d45-a409-571cd94a4742.pdf?v=1594212285In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2482/6014/files/kaseletanog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8833/9361/files/47216812856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0672/2211/files/xanikexilenofigugevato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9735/0554/files/kibesulofejotuvavewuwiso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9429/4171/files/79680141473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2873/2314/files/selugomutifovof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1758/2230/files/kuzigoperazojefapuri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0743/5167/files/jafokam.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000664f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x664F 4844 bytes
SHA-256: e4532b08c482c30d6e48b48a3b797989dfb4741019a2ec11d519ae03550c473c
font_01_sfnt_off000076c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C8 10668 bytes
SHA-256: faf82e21cefecfc23cd7fa2daf0dd571c191a7a03976840258ad77b93277e598
font_02_sfnt_off00009b2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B2F 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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