Malicious PDF — malware analysis report

Static analysis result for SHA-256 52aaf6ce52c302e7…

MALICIOUS

PDF

43.0 KB Created: 2020-08-18 20:29:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 90737577db4a0867fe0edd874bea3acc SHA-1: b678cac366930f82c1b01e17c15f56ff95d046fc SHA-256: 52aaf6ce52c302e71a1d98f6c4f2986d4a531358e1155842ad8e856a0bad3963
214 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm behavior, embedding numerous external PDF links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary goal is to redirect the user to malicious infrastructure, likely for phishing or further malware delivery.

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) 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.com/pify?keyword=baby+blue+spruce+tree+information In PDF document text
    • http://files.peterclarkmd.com/uploads/1/3/1/0/131070979/sinutefe_vikar.pdfIn PDF document text
    • http://juxupotor.illinoisonlinehighschool.org/uploads/1/3/0/8/130874524/702347147.pdfIn PDF document text
    • http://files.morningwoodaz.com/uploads/1/3/0/9/130969389/8141209.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/1/0433/3872/7589/files/kaluzujuweneda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9928/1821/files/sumuzelekojeputad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3983/3763/files/low_tide_sanibel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9472/8103/files/surgery_book_bailey_and_love.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7573/9560/files/52890966820.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1714/1415/files/angular_2_window.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9697/7051/files/alphabetical_list_of_us_states.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1868/9432/files/niterunupeniwopozaguri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3994/7932/files/lipolo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6412/3814/files/24810054476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3900/6615/files/dowazinatazomimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1783/7480/files/les_accords_jazz_guitare.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 7

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_off000067cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67CF 5452 bytes
SHA-256: d13584a32499566543afe738e26fb596447f5b0780da0820665e7336dfd622a1
font_01_sfnt_off00007a44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A44 10672 bytes
SHA-256: eaffff05de5bb4c48a68d81ffa46ec365bdcad931d786e551e4f6686ac03f017

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