Malicious PDF — malware analysis report

Static analysis result for SHA-256 332b128cf7ab0504…

MALICIOUS

PDF

47.6 KB Created: 2020-08-08 07:17:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d8c4244145fc85246eb03a36ea9ce591 SHA-1: 88548c8b14e653c6e4ab4b8b1aa90b74f26d851e SHA-256: 332b128cf7ab0504ef5734ea6bc792d0307cc962e616b20719e78fc302861baa
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm intended to obscure the malicious redirector. The ML classifier also strongly indicated maliciousness.

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.com/pify?keyword=magneto+ignition+system+working+pdf In PDF document text
    • http://files.lisakalma.com/uploads/1/3/1/3/131383329/zumulara.pdfIn PDF document text
    • http://sokubi.walkingmeditation.eu/uploads/1/3/1/4/131452836/58bf743acc35f9.pdfIn PDF document text
    • http://monulil.tetcommunity.com/uploads/1/3/1/4/131437423/bojikopub.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/1/0433/7087/2995/files/88011235010.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3712/9895/files/bemba_bible.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7431/3633/files/zosumofabuguxegomox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7863/8998/files/hp_deskjet_f4480.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3159/2092/files/need_for_speed_most_wanted_crac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3955/9578/files/plant_breeding_dictionary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2469/4939/files/36441730157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3864/4136/files/baixar_parasitologia_humana_neves.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3038/8642/files/bakinisonedi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7407/6315/files/41229649365.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2296/7206/files/42681334821.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 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F4C 5380 bytes
SHA-256: abc4d18d2df33d4fbf872fd0b3d9eea1fc4758acec595bdc028dbdd06e2e5b28
font_01_sfnt_off0000819f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x819F 9876 bytes
SHA-256: b6d22b799d88038548eb68e9a91dfbf88aed774c17ab94a05f76e51c61f49979
font_02_sfnt_off0000a377.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA377 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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