Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6cb864f07217ef8…

MALICIOUS

PDF

41.9 KB Created: 2020-08-14 01:00:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a81396e97ce4c18b1bf40631a492af3a SHA-1: 9a651940ccb2b27800f21c572e0386def302dd2b SHA-256: e6cb864f07217ef89d8ea524f3243a825372227ebc383b21c187cf0e956a4f8b
194 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains numerous embedded links. One of these links directs to a known malicious redirector at 'ttraff.com', suggesting an attempt to lead the user to a harmful site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute 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=batata+doce+beneficios+pdf In PDF document text
    • http://gevonami.clickitandcartit.com/uploads/1/3/0/7/130776487/78ef6533e2a515.pdfIn PDF document text
    • http://vutomo.tohsgirlsvolleyball.org/uploads/1/3/1/4/131438474/5143707.pdfIn PDF document text
    • http://gonuxefus.clarksurveyor.com/uploads/1/3/0/8/130874474/samajabagenejo-logelesinosepud-rinirodo-tupuwe.pdfIn PDF document text
    • http://files.demirandaguitar.com/uploads/1/3/1/8/131871690/fokodibavuf_zogovisum.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/1/0436/9252/3675/files/luromu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5816/files/2348752185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0269/1743/files/1666373324.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0840/1316/files/letras_chinas_abecedario.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1775/6057/files/autogenics_3._0.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0142/9662/files/zafavofukiwavejeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42778981568.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0096/9896/files/avert_trial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewugokujugiwiburonanas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5117/9416/files/62886622019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9807/0426/files/ribibimafirujokawuwisimo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0831/9903/files/tonexodedegekogaxasazuwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6428/5598/files/59071604255.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_off0000647f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x647F 5208 bytes
SHA-256: 0755efb9dcb5dd86c90454e05fdadb8b2fa9cec0a38d5a509b475d799d35bebf
font_01_sfnt_off00007643.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7643 10812 bytes
SHA-256: 8623ea5f73651c38872fbec152129cc29e2fab81ea1bdc934b64a11e1c5e167e

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