Malicious PDF — malware analysis report

Static analysis result for SHA-256 e90e211885ed1e1d…

MALICIOUS

PDF

42.4 KB Created: 2020-08-07 04:57:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3bbf84197577b13a1796c4878bba3fc8 SHA-1: 28dd3e2eb80f4c18ea24f085fd92ca216230bdc0 SHA-256: e90e211885ed1e1dfa4f451649e3460812cb69ad7063e1a198dc741f92216550
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many hosted on Shopify, designed to appear as legitimate search results. The primary malicious link, https://ttraff.com/pify?keyword=window+air+conditioner+parts+name+pdf, is a redirector likely leading to a malicious payload or phishing page. The document body, though heavily obfuscated, contains the same lure text and the malicious URL.

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=window+air+conditioner+parts+name+pdf In PDF document text
    • http://files.lchsamazink.com/uploads/1/3/1/4/131437601/powiluzidaferot.pdfIn PDF document text
    • http://files.experiencebirthandbeyond.com/uploads/1/3/1/6/131637953/8760802.pdfIn PDF document text
    • http://files.arfstrom.net/uploads/1/3/0/9/130969262/nowifuvav_dobob_xubole.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/1/0434/1297/9869/files/birimudetigima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/92161478626.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8788/8545/files/20027223720.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2094/2486/files/gujagurejukemi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2174/6847/files/bafipef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0926/1218/files/lugepalapolutujemap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8991/0165/files/zudujafujulasilutisi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4672/1946/files/fubumokakiriwetaseri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4848/5535/files/12544115809.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0751/6565/files/57763791002.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7537/1162/files/wawoxeguda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8026/9462/files/lomavi.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 4

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_off00006850.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6850 5372 bytes
SHA-256: 4c9367411321ef6c0cb18219f339c0f57364ae1dc9d441c28d0f9dd06ec633bf
font_01_sfnt_off00007a9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A9D 9984 bytes
SHA-256: 0b4939aceed0f0eb24950503f92360478073cba0b298efe9c7ec98485a500c44

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