Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff458e10aca695ed…

MALICIOUS

PDF

53.3 KB Created: 2020-08-16 11:01:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 87a868ac26e5c314336e52f15b0adbee SHA-1: e52386192b5de3a482577abf7faccbfa32c9315d SHA-256: ff458e10aca695ed80a7575fc4ad21d6a3dde9c68a5a95c37e289fc157889676
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically identified as a malicious redirector pointing to a URL related to an 'Ayushman Yojana form last date'. This, combined with the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic, strongly suggests a social engineering attack designed to trick users into clicking malicious links under the guise of a government scheme or prize. The PDF also hosts a large number of external links, many pointing to Shopify domains, which is characteristic of link farm techniques to improve search engine ranking for 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=ayushman+yojana+form+last+date In PDF document text
    • http://files.remarcable.me.uk/uploads/1/3/1/4/131438245/nobinopovuzip.pdfIn PDF document text
    • http://files.claireslater.co.uk/uploads/1/3/1/8/131856158/novewoxedof.pdfIn PDF document text
    • http://jakiwog.onesweetbakingco.com/uploads/1/3/0/7/130776445/tozutuzuses.pdfIn PDF document text
    • http://ritofifox.anotsoemptynest.com/uploads/1/3/0/9/130969723/kuzatesev.pdfIn PDF document text
    • http://files.akbeadsociety.org/uploads/1/3/0/9/130969404/jakoza_bizudotor.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/1/0428/0510/0707/files/pekevimagijobave.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8706/0375/files/pitokutepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9880/7202/files/heart_centered_leadership.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0889/1807/files/80300498060.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7300/1877/files/76022811996.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1988/7001/files/waveso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1935/3757/files/pobuse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5700/5215/files/matonomimuvowux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8164/5736/files/doena_de_addison.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4668/0214/files/minecraft_water_slide.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000857e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x857E 5148 bytes
SHA-256: a4b7117073e4980578e6329fb6727ed567c90e0a233ab7b9965412f21ba25bda
font_01_sfnt_off000096e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96E0 10448 bytes
SHA-256: 2ebc4efac57d2c49e475cf967cf4463ece9d595deb44f8cedfadad7b2fcdd1cc
font_02_sfnt_off0000ba43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBA43 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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