Malicious PDF — malware analysis report

Static analysis result for SHA-256 abbd992541de43cd…

MALICIOUS

PDF

41.1 KB Created: 2020-08-21 12:42:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5cae598aecdf99ed985b83131ccc3137 SHA-1: 307d2d94707b2706dd7548da2504cd05a34594ba SHA-256: abbd992541de43cdcc14039d73d5e97fb4b87df55e956bfc61aeaeddebf5c6d9
194 Risk Score

Malware Insights

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

The PDF contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure related to a 'blemish remover app android', likely to trick users into clicking the malicious URL. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on cdn.shopify.com, which is a common tactic for SEO poisoning to drive traffic to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.cc/pify?keyword=blemish+remover+app+android In PDF document text
    • http://files.wildmillers.com/uploads/1/3/1/3/131381681/1552240.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8924/8924/files/zerop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1557/5464/files/almacenamiento_de_datos_en_la_nube.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5650/3707/files/venetiliwupokozimivixipek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2174/6847/files/lurotewitulifalareru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8272/5029/files/75567510507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2315/5878/files/apc_smart_ups_c_1000va.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2720/2205/files/wotogexi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3831/7464/files/78211188180.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/30165325312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2434/1400/files/harmony_hall_piano_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9567/8357/files/68222003308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2544/0669/files/anemia_hemolitik_mikroangiopati.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 2

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63CE 5308 bytes
SHA-256: c7cdd8c26478b1c7be82023fe29e30e19f5e8d2a26fd08d1bb2c9983d7f67111
font_01_sfnt_off000075b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75B6 10068 bytes
SHA-256: e05d014d9581d44d627a8fd7ced13265d4a789ce448cc27ae3096ee28ebb52a5

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