Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa117d632bd4953a…

MALICIOUS

PDF

43.2 KB Created: 2020-08-06 09:39:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6df8fd420d5c93d6550db347c892eec6 SHA-1: 45778e1fb10473d2b12f424f4a04a069c4156d1f SHA-256: aa117d632bd4953acbaaa49f7328cb94a63672b095f870e175046d0e5e7fec36
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing a calendar and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The PDF structure and link farm indicate a social engineering attempt to drive traffic to malicious infrastructure.

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=mahalaxmi+calendar+september+2020+pdf In PDF document text
    • http://files.earltoddbbq.com/uploads/1/3/0/7/130739651/rawiwemigoput_wavebudox_mujikozomoju.pdfIn PDF document text
    • http://files.musicatmainstreet.com/uploads/1/3/0/7/130739839/davetuxu.pdfIn PDF document text
    • http://files.nalipops.com/uploads/1/3/0/7/130775712/zafopijom.pdfIn PDF document text
    • http://files.lifetimewellnesscenter.org/uploads/1/3/1/3/131379591/xagatedapeluxebom.pdfIn PDF document text
    • http://files.truthinsinging.com/uploads/1/3/1/4/131454549/a1115b1427f5a.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/1/0433/0684/4315/files/58859706550.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9915/9718/files/bovada_round_robin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/82889598932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24501063531.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/9626/4094/files/pan_card_date_of_birth_affidavit_format.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3279/7603/files/vusotoxige.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8812/4830/files/petazefaruwaseves.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7747/6260/files/pepukaforoduba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6092/7393/files/pejonefufijegudiliner.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6567/8755/files/33839327123.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2779/8943/files/kavufupizapepavugoge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2567/7982/files/argumento_por_analogia.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68BA 5884 bytes
SHA-256: 39ab4196acbff4e6f763e018dfe533394202cd88572d87e789badf165f81eb52
font_01_sfnt_off00007ca1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CA1 10368 bytes
SHA-256: ae9f30792947bc1d0a9d9369c45651e6b908605deab2470cddfc2aaf6f9f5a37

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