Malicious PDF — malware analysis report

Static analysis result for SHA-256 95be916d9dd04630…

MALICIOUS

PDF

54.3 KB Created: 2020-08-23 13:41:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 837840b2d5f2e0ca6477087a0c077053 SHA-1: c43f9e45c844df6c8125da506d7e77d42c035276 SHA-256: 95be916d9dd046304149019f35af3ecda9e75fc3923a9ba815799276e956c04c
194 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, including a critical link to a known malicious redirector at https://ttraff.ru/pify?keyword=camera+raw+filter+in+cs6+free. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to lure the user to this malicious site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm or SEO poisoning tactic to distribute the malicious redirector.

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=camera+raw+filter+in+cs6+free In PDF document text
    • http://files.diananeunercounseling.com/uploads/1/3/1/0/131069860/8189708.pdfIn PDF document text
    • http://files.dsa2020.org/uploads/1/3/1/1/131164573/tazuramatikunotoka.pdfIn PDF document text
    • http://files.kanecontractinginc.com/uploads/1/3/1/8/131858108/eb989796.pdfIn PDF document text
    • http://files.thanhthanhphoto.net/uploads/1/3/1/4/131452794/vawasexipoged.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/1/0428/9835/8432/files/7082322425.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/89698413581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6593/1936/files/80550655606.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1024/4256/files/80517645540.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/big_rich_town_ringtone_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0703/9897/files/87901325619.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7079/9510/files/5821759827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7973/8278/files/fujetugajudasebojilalod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6287/8618/files/80797493918.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 5

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_off00008972.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8972 4976 bytes
SHA-256: 17558be1a5a4042237256d26b026180fccf0348f35f6f20ce18d1ae4d8c9e571
font_01_sfnt_off00009a49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A49 10460 bytes
SHA-256: 177ffb172121224158adf6b51028ef3bb5ec817a1a2644a868a1eca1acb71a31
font_02_sfnt_off0000be16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE16 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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