Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8694dd29da2b0b1…

MALICIOUS

PDF

49.7 KB Created: 2020-08-12 03:09:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d0ca6c095afe614db42ec942c68a8c89 SHA-1: df15de373d22d227235e01d41d1b56e385831ee9 SHA-256: f8694dd29da2b0b14f4c5e5d932b1c941743922bf56c55b959eba982025f5ecc
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a primary redirector identified as malicious. The document body, though heavily obfuscated, contains text that appears to be a lure for 'accounting golden rules in tamil pdf'. The heuristic firings strongly indicate this PDF is designed to redirect users to malicious content, likely for phishing or malware distribution.

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=accounting+golden+rules+in+tamil+pdf In PDF document text
    • http://files.hartfordfederated.org/uploads/1/3/0/8/130874058/1889149.pdfIn PDF document text
    • http://nikesisa.sammybeaugard.com/uploads/1/3/0/7/130739751/minut-pivis-jekezumet-topatu.pdfIn PDF document text
    • http://wumativ.laylaazmigoushey.com/uploads/1/3/1/8/131856726/bexokojexiwopev-puveziwop-wezus-zuzafim.pdfIn PDF document text
    • http://kajuladol.balancedespitethechaos.com/uploads/1/3/1/4/131453109/ca4ff1c23e90b37.pdfIn PDF document text
    • http://files.biologywithkemper.com/uploads/1/3/1/3/131379312/zorebopuwatoboletole.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/1/0431/0433/8077/files/42129527753.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8452/9310/files/17389551731.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9779/2420/files/28882040780.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8609/4242/files/alcoois_e_fenois.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8515/8813/files/87969943323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/4412/1248/files/keto_diet_allowed_foods.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9290/2037/files/35374370375.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3341/9162/files/15372223888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9444/2133/files/ribuzasimovin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8738/1155/files/tupiwidevugemagujofiwiko.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006209.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6209 5344 bytes
SHA-256: fce05e2461507fad2f18eb87e28c904788f2f004589fb0f8086d6925bef53fbf
font_01_sfnt_off00007411.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7411 9932 bytes
SHA-256: 03959d08cabeb087440ac3378d81a634a64104584301e2b6913a5aa37f845739
font_02_sfnt_off00009638.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9638 16120 bytes
SHA-256: 2a726e4d8e078a4a4a6a0bed67b139344cab8167eb027720faf42c08020076b2
font_03_sfnt_off0000ab0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB0C 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e