Malicious PDF — malware analysis report

Static analysis result for SHA-256 7afc651a0c99acc3…

MALICIOUS

PDF

34.0 KB Created: 2020-08-21 12:19:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 286bb72112ccf4c9720f8420c363b0cf SHA-1: 49f5d2d6610b6ae332b674138b0300a8ecd43d27 SHA-256: 7afc651a0c99acc350531733b7e8698c57761af44eac3d40d21c66ba3ed2be29
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple embedded links, with a critical heuristic identifying a redirector link to 'https://ttraff.cc/pify?keyword=yassarnal+quran+ahmadiyya+pdf'. This suggests the document is designed to lead users to malicious infrastructure, likely for phishing or to download further malware. The presence of a large number of external PDF links further supports the SEO link farm heuristic, indicating a potential attempt to manipulate search results or distribute content through a network of linked documents.

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=yassarnal+quran+ahmadiyya+pdf In PDF document text
    • http://datofiw.myplaycafe.com/uploads/1/3/1/1/131164250/435f31ca4f70ced.pdfIn PDF document text
    • http://files.aikenfbcpreschool.org/uploads/1/3/1/3/131380729/7cf9b9b2.pdfIn PDF document text
    • http://xerewuzaf.mysterymansionregina.ca/uploads/1/3/2/6/132695278/bonenimu.pdfIn PDF document text
    • http://files.artbymkd.com/uploads/1/3/1/3/131379680/pizexoradinatowafum.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/1/0431/9051/7911/files/fajetupinabegi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6612/2662/files/88611346728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5493/0839/files/brandon_grotesque_medium_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2853/7753/files/hip_replacement_rehab_protocol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0974/4789/files/lixagufejazejewarenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4865/7318/files/36039430972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6836/4702/files/funciones_de_los_organelos_celulares.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4134/2108/files/omron_blood_pressure_monitor_manual_bp652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2641/5779/files/sumeruxot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3656/5923/files/appendix_2_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1721/5905/files/duzivikoxu.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 3

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_off000046c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46C5 5468 bytes
SHA-256: 9bab11625249ecf608c6be1c876dabe5fb8ce688c0c78d9da670986eaf5beb30
font_01_sfnt_off00005932.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5932 9716 bytes
SHA-256: 3d960c05cdb67e7f70b77bb21cfd360e3f8774b832f7b09c79f95b17be4b7147

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