Malicious PDF — malware analysis report

Static analysis result for SHA-256 f590cc7c89ec1d04…

MALICIOUS

PDF

56.6 KB Created: 2020-08-04 08:47:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ee7e11a0b1beebb5fca9d3cdad9431a5 SHA-1: dfe79f5b0355bafb02cbc989192d1cf7d69ca589 SHA-256: f590cc7c89ec1d04c7a13eaa6b89ab5ef182fd2c2113a16a9404f07d3d15fd1d
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'El paraiso perdido milton', suggesting a phishing or scam attempt. The primary IOC is the malicious redirector URL, which is likely used to host or deliver further malicious content.

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.com/pify?keyword=el+paraiso+perdido+milton+pdf In PDF document text
    • http://files.wasabicharter.com/uploads/1/3/0/9/130969158/2993136.pdfIn PDF document text
    • http://files.mossyimages.com/uploads/1/3/1/8/131856129/manisitomevefep.pdfIn PDF document text
    • http://files.amyrosemoore.com/uploads/1/3/2/7/132740536/luwojirijejabo.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/1/0431/4746/0768/files/4634685095.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4175/9138/files/2610678122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8148/1884/files/72655692917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mofofuledezenededur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9058/3464/files/sedoxuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7748/2136/files/mapugavaputexutisax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5815/7982/files/dixuxofitowukotipowigoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0611/3430/files/55898606096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5651/3692/files/zunox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4230/7239/files/mudiralijas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8575/8628/files/32968502740.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
🗂 Part of campaign: 4energia.com 3 samples

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_off00008f3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F3B 5144 bytes
SHA-256: dfd9cc288327205c8fe91f4b82e162f3bf3569233550388a4f2d1bc6ad886390
font_01_sfnt_off0000a0a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA0A5 16876 bytes
SHA-256: 1d7a37fb4f5e16b14f1371002d9dd7f23aa3702cbc8a80db83670162d9fd252d

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