Malicious PDF — malware analysis report

Static analysis result for SHA-256 888fd38356408093…

MALICIOUS

PDF

45.5 KB Created: 2020-07-31 09:00:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: afeb57340f8733703facfe2a4cedc8fc SHA-1: 40875c1f6d5351b71703e2c08adf00f1bcbe6877 SHA-256: 888fd38356408093c068025ecb8310fa8941f337311c38b75f95f88614ce5a39
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external PDF files, many of which are hosted on Shopify and appear to be part of a link farm. The primary redirector URL, https://ttraff.cc/pify?keyword=agonistas+y+antagonistas+dopaminergicos+pdf, is flagged as malicious and used in a SEO-based lure. This suggests an attempt to drive traffic 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=agonistas+y+antagonistas+dopaminergicos+pdf In PDF document text
    • http://files.mariecharpentier.net/uploads/1/3/1/4/131483019/batipaxadas.pdfIn PDF document text
    • http://files.jim-caruso.com/uploads/1/3/0/7/130738852/bolafajabelapimet.pdfIn PDF document text
    • http://files.ottawadima.com/uploads/1/3/1/3/131381464/fdd33d77405a.pdfIn PDF document text
    • http://files.getnoticedartdesigns.com/uploads/1/3/0/7/130775813/4512414.pdfIn PDF document text
    • http://files.spinecarechiropractic.net/uploads/1/3/1/3/131384018/30437.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/1/0428/9835/8432/files/77363931764.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9793/9349/files/rogexejudegofibito.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1102/2756/files/fozujonodozuru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7706/6135/files/75040281627.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8283/2280/files/femudixubemiwowusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7546/0517/files/43680171325.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51507598499.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7428/0855/files/51219597880.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4116/0344/files/xabofosigefuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2477/5330/files/dotulopeloju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/34127482567.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_off000071cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71CB 5324 bytes
SHA-256: 69e078cc5f6e9b9d8eb41fa9f6f5fd864be54417d105f5d95ffb16a575623c2e
font_01_sfnt_off000083d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83D7 10644 bytes
SHA-256: 5b5a0de31f06e61daea637d5e31159afcfec2d320f8f0a63bdf61b1bb579e9a0

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