Malicious PDF — malware analysis report

Static analysis result for SHA-256 d82247df60b9b0b3…

MALICIOUS

PDF

148.6 KB Created: 2020-08-16 23:13:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8e58db15ad3892001a5f74824cb36ad3 SHA-1: f97ceaff25e842c396388d4191cebc2cf4abb102 SHA-256: d82247df60b9b0b3ec3751697b809d6048f5e206d1337256708827962f030ba7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, contains the same URL. This URL is likely used to redirect the user to a phishing or malware distribution site. The presence of a callback lure heuristic suggests a potential social engineering tactic to trick the user into interacting further.

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.
  • 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) 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=weather+report+for+melbourne+fl In PDF document text
    • http://files.baarleproeft.com/uploads/1/3/1/6/131606165/7057f5e4c.pdfIn PDF document text
    • http://files.rmgraphx.com/uploads/1/3/1/1/131163712/484e37b.pdfIn PDF document text
    • http://sonun.audreylewisinteriors.com/uploads/1/3/1/0/131070420/subukomat.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/1/0432/9635/8565/files/gta_5_cheat_codes_ps4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3510/7233/files/angeles_y_demonios_completo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8256/3232/files/analytical_marxism_john_roemer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2518/7491/files/82677492682.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9820/0481/files/lalefokolujevul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9674/4871/files/jeferojefukotefudibanane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8032/7076/files/5283337500.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0319/0181/files/wipinidasasopemuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9478/4665/files/division_of_polynomials_worksheet_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9568/7317/files/mexujovasudedupemivekixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9612/1248/files/17863390675.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
🗂 Part of campaign: maryscheesecakes.com 4 samples

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_off000200f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x200F0 5116 bytes
SHA-256: 7b56ff754f46d69a121757c6d3c4bb9049c2ce6fcce60edfc5650116fa00160a
font_01_sfnt_off00021243.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x21243 16468 bytes
SHA-256: 666242161215be7bb117d44c898b0a771ed03cb73961626afdcef056e8403c2d

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