Malicious PDF — malware analysis report

Static analysis result for SHA-256 95d7bf4a2e1d3b6b…

MALICIOUS

PDF

45.5 KB Created: 2020-08-22 13:23:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0b14d04c4031681804e4bf1e8829004a SHA-1: 700bfa10a84281f8e3651378b39ce88737aed365 SHA-256: 95d7bf4a2e1d3b6bf2b4ca66529b6c39213c94b20bf48dfacbc7174c878da4c9
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify-hosted PDFs, which is indicative of a link farm. One of the primary links redirects to a known malicious URL, suggesting a malicious intent behind the link farm. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the primary attack pattern appears to be the distribution of malicious links.

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.ru/pify?keyword=bahut+aayi+gayi+yaadein+lyrics In PDF document text
    • http://lomugax.deadmeatband.com/uploads/1/3/1/4/131437657/6869072.pdfIn PDF document text
    • http://files.framece.com/uploads/1/3/1/3/131383333/3400463.pdfIn PDF document text
    • http://files.sweetbabiesdayhome.com/uploads/1/3/2/7/132740320/zipud_wenuv_soraminudej.pdfIn PDF document text
    • http://belajeze.caringinc.net/uploads/1/3/1/3/131398252/xefujipisogupun_kasabiv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9462/8769/files/public_policy_analysis_national_open_university.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4845/9675/files/opera_mini_browser_free_cnet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9702/2879/files/werbung_blockieren_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/0479/2729/files/xelapibalife.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1393/0142/files/luvule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0020/8294/files/dimafobaponavebol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekugoxozeritazol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53293114795.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9996/2024/files/fewunokebew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2969/9482/files/sample_annotated_bibliography_apa.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 8

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_off00005f95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F95 5352 bytes
SHA-256: a72570097e71f057b1f06ed5bb65f9e413b368c9d331f6c62fb1c38b7b0558df
font_01_sfnt_off000071c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71C4 10056 bytes
SHA-256: 5f7585a99e4711d121a68cb7835dbb1c6dd0a41e76c6825341a45cb79f227685
font_02_sfnt_off0000943a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x943A 5612 bytes
SHA-256: add169da12301727003168352521c9e884d99bbb44115eca2979c6f0be4116e7

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