Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ae43db2ab90033d…

MALICIOUS

PDF

41.2 KB Created: 2020-08-11 13:46:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 49e5aad1d6437b0b6bb3e6f09d4c7ae3 SHA-1: 83d9cc7e9639a1fc714ea10d93c04c7c2686ca58 SHA-256: 8ae43db2ab90033ddf85e19f94a4e6702f48a8e383d0582504350382eb0bebfd
194 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many pointing to benign Shopify URLs, but one critical link to a known malicious redirector at 'ttraff.cc'. This suggests a link farm or phishing lure, attempting to redirect users to malicious content under the guise of providing a diet chart. No scripts were extracted, limiting the analysis of direct payload delivery mechanisms.

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=muscle+gain+diet+chart+pdf In PDF document text
    • http://files.wer1ecect.com/uploads/1/3/0/9/130969899/latotukobovavanev.pdfIn PDF document text
    • http://files.abundantgracesparta.org/uploads/1/3/0/8/130814382/a4cf461f663.pdfIn PDF document text
    • http://vubajex.isca-mediation.com/uploads/1/3/0/9/130969060/gikukeduxaluxe.pdfIn PDF document text
    • http://files.drugfreeharrisoncountywv.org/uploads/1/3/1/1/131164236/govurabawoxivilex.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/1/0434/4017/7314/files/fundamentals_of_matrix_computations_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9204/2137/files/jokesegiratotefubimadiwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gefoviliruvowej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7097/9237/files/justin_bieber_baby_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3792/5269/files/pimiguzuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89832202682.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9798/1082/files/mogoruxenugugonawuxiza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5162/2305/files/wunafusadolevegom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9044/4445/files/xibogageje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6754/7554/files/54199058772.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/experiencing_mis_4th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0257/4494/files/jigevolabumefid.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
🗂 Part of campaign: collinscovecottage.com 4 samples

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_off00006399.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6399 5424 bytes
SHA-256: 29b0557bd76d10b841122e11d0f1f4c4bd441ab3b4df3a50fe94b0f327eac079
font_01_sfnt_off0000760a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x760A 9856 bytes
SHA-256: 77ba42be1ea6d30e461ed5669833086022e7013b87f3339aae015dd8b390aac8

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