Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f9c6f0d9ddfd7a9…

MALICIOUS

PDF

42.4 KB Created: 2020-08-03 02:05:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a5e6efe147c5ff194d4741d9b413593c SHA-1: 2619486cb686ad63fb756da56d7fe2013fc33813 SHA-256: 6f9c6f0d9ddfd7a9c0fc2df16bf45c47e33ac256d520221e9f3d1d0b67ee2d9f
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector infrastructure, indicating a link farm or phishing attempt. The primary redirector URL is `https://ttraff.cc/pify?keyword=how+to+pair+blueparrott+b250+xt`, which is flagged as malicious. The document body also contains this URL, suggesting it's the intended lure. The presence of many Shopify links, some benign and some unknown, alongside the malicious redirector, points to an attempt to disguise malicious activity within a larger set of links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=how+to+pair+blueparrott+b250+xt In PDF document text
    • http://files.forstinn.com/uploads/1/3/0/8/130815115/fonedalatur_bugires_mutedelopit_kagolabono.pdfIn PDF document text
    • http://files.tildenhouse.org/uploads/1/3/0/8/130874655/6130754.pdfIn PDF document text
    • http://files.americanrootsuk.com/uploads/1/3/2/8/132814900/5052726.pdfIn PDF document text
    • http://files.orchestranortheast.org.uk/uploads/1/3/0/7/130776795/8582529.pdfIn PDF document text
    • http://files.purpleheartracing.org/uploads/1/3/2/6/132682934/8af13.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/1/0438/5928/0022/files/john_mcmurry_organic_chemistry_9th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4598/5192/files/fozelalevebesub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/porovurujapiganipuzul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8867/files/6443515091.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7369/1045/files/ags_101_screen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9376/2975/files/fosuzato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7723/7917/files/96811715483.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6540/8662/files/21129949145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6998/7223/files/84000071992.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0333/0208/files/3314097168.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0809/7445/files/24175140840.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9578/5629/files/87930769908.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005dbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DBF 5296 bytes
SHA-256: 03e78b341dfe6ebff70bcb063a1713051d2a64b409a9f3ac9858edb54db4d91f
font_01_sfnt_off00006fe1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE1 14600 bytes
SHA-256: 950734c00b7b84c5e909f2b48d491b2715074aa83776c391d8f1035be1abaecb