Malicious PDF — malware analysis report

Static analysis result for SHA-256 d76f149daf7f43f4…

MALICIOUS

PDF

48.0 KB Created: 2020-08-09 12:24:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2f385379abba20cc6838d7b12fc53f51 SHA-1: 3190258eabfa1db6e08aec7cc5b60de3a3b0f5c0 SHA-256: d76f149daf7f43f4ce045da4c860430cfd8bcb5f1bf73bb39d24ced97c7a7c9f
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link to ttraff.com, which is a known malicious domain. It also features a large number of embedded links to various Shopify domains, likely part of a link farm to improve SEO for malicious content. The ML classifier strongly indicated maliciousness. No scripts were extracted, but the presence of the redirector and link farm suggests a phishing or scam attempt.

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=personal+qualities+list+pdf In PDF document text
    • http://files.deepquest.institute/uploads/1/3/0/9/130969934/c7f67c71eb1.pdfIn PDF document text
    • http://files.billmohrart.com/uploads/1/3/1/4/131437313/dogivosawegepex-jubobiv.pdfIn PDF document text
    • http://fadadino.redmapleservicedogs.com/uploads/1/3/0/9/130969742/7827882.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/1/0431/3186/3202/files/53686808099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6911/1449/files/31140841498.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8255/5297/files/77488385672.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9993/9235/files/jexizuzuzojubidibonikatos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1425/7815/files/delete_all_emails_gmail.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3420/4568/files/xuzaradixuraxifuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6763/7922/files/anfiteatro_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7931/1253/files/xavakixemovalusapun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7215/0947/files/programming_aptitude_test_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6694/7744/files/soxosalokedu.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_off0000746f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x746F 5164 bytes
SHA-256: 26624fc8d07ca3f45f58baf93e6ee33c6bc4b81fb4064a0758fbb00cd563a570
font_01_sfnt_off0000860a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x860A 14748 bytes
SHA-256: 6bd505eca0545de0819f06cf6e689429bffeb10061c196a60a14209aa5b570e7

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