Malicious PDF — malware analysis report

Static analysis result for SHA-256 09f6344cc68fcaa8…

MALICIOUS

PDF

54.6 KB Created: 2020-08-12 11:15:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 23c1a42430078802a375fcf1c38420b7 SHA-1: b8abc288c0bd152985956e591011fc3da395498b SHA-256: 09f6344cc68fcaa8a1b5ffea1ee18cdb71dab7bd4e3bc3671a61122e4d621763
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links, many of which point to a redirector infrastructure known for malicious activity. The primary redirector URL is https://ttraff.ru/pify?keyword=parkside+air+paint+spray+gun+pdfp+500+c3, which is likely intended to lure users into downloading malware or visiting a phishing site. The presence of multiple links and the ML classifier's high confidence score indicate a deliberate attempt to compromise users.

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.ru/pify?keyword=parkside+air+paint+spray+gun+pdfp+500+c3 In PDF document text
    • http://files.hartfeltservices.com/uploads/1/3/1/4/131452982/wagitiliwivev.pdfIn PDF document text
    • http://wufonelav.wildconnectionart.com/uploads/1/3/2/7/132712615/jubibowarorof.pdfIn PDF document text
    • http://files.peterschooltasakou.com/uploads/1/3/2/7/132741155/7603467.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3997/1738/files/articulo_cientifico_cancer_de_prostata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0772/0094/files/49258551477.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/bobifafofexuteb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3056/1436/files/48154675178.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5907/6510/files/caminito_de_la_escuela_letra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4442/0246/files/77586995158.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2439/7989/files/bozop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5816/files/74118267330.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9109/0844/files/xomopafunigupanaru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2821/6997/files/gejokekexikusojepot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9110/7742/files/7915638730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7090/5750/files/nokovafiwew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8736/2216/files/zeritibad.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A4F 5660 bytes
SHA-256: 914040f31af646be7caa93556f5c59e2eeae31bab5528940bc836feb3a33b4fb
font_01_sfnt_off00006da9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DA9 1728 bytes
SHA-256: 790f67d3ad82eeaf93483834bec56c3fa41f4a2349ce06a329f7aef0e21f3ec8
font_02_sfnt_off0000764a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x764A 15824 bytes
SHA-256: 95edc44d217f5ccd5fdd4efe4832256df892364f874f6e933f08d18ab6702f4a
font_03_sfnt_off0000a72b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA72B 16196 bytes
SHA-256: a9049e2740f28e07ceae22d5f1e2fc0df0884d12edefc4f119790aeee9b14a88
font_04_sfnt_off0000bc46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC46 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e