Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3cc5ddffa3798d2…

MALICIOUS

PDF

35.0 KB Created: 2020-08-17 16:44:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 633fe7c5ea1b9773b17ecd0b1fbfe7df SHA-1: 5000c4fb90005d67d74e4736738813949325db1c SHA-256: c3cc5ddffa3798d22350fcf9c14dcef8d20df877bee83ac5073eda9169ca88e0
194 Risk Score

Malware Insights

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

The PDF file contains a deceptive document body and numerous embedded links, a common tactic for SEO poisoning and phishing. One of the embedded URLs, https://ttraff.cc/pify?keyword=today+weather+report+in+my+area, is identified as a malicious redirector. The file also contains a large number of links to external PDFs hosted on various domains, suggesting a link farm designed to manipulate search engine results or distribute malicious content. No scripts were extracted from this sample.

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.cc/pify?keyword=today+weather+report+in+my+area In PDF document text
    • http://files.huntingdonphc.com/uploads/1/3/0/7/130740591/fasejiv.pdfIn PDF document text
    • http://gofaze.groove-republic.com/uploads/1/3/1/3/131383664/5253473.pdfIn PDF document text
    • http://files.lindyjames-christenson.com/uploads/1/3/1/3/131379612/3953267.pdfIn PDF document text
    • http://files.justanotherflutist.com/uploads/1/3/1/1/131163920/suwolejujefuvob.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/1/0439/4024/9755/files/jaxujerajuweguderamutik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8750/4294/files/baby_boy_names_starting_with_a_in_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4996/5978/files/46707565491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9581/0455/files/tecnologias_de_la_informacion_carrera_ecuador.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9050/2051/files/22147531638.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9932/4580/files/32235168551.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5725/0455/files/bapitajupeliwarokurujodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0989/9670/files/62855603157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3592/6434/files/juzob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5116/2517/files/effective_technical_communication_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6803/0102/files/definition_cahier_de_charge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rofan.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 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_off00004a36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A36 5132 bytes
SHA-256: 0f3f5f244bd9397226786c3be4297fc140da05997597ba54b9c67f3bad6857b7
font_01_sfnt_off00005b9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B9A 10520 bytes
SHA-256: 7dc7a00e92b16d214a85f0930908e0278be257302de30573f17682f644721ab9

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