Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb6036620e7a1d7b…

MALICIOUS

PDF

44.5 KB Created: 2020-08-07 06:43:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8a878ea2344ebd33189baf6ce715a55d SHA-1: 0e68d96c5ecd67edde1e7e9f6865b519ac73937c SHA-256: bb6036620e7a1d7bfc10a1966df80abfcb50407935675a22f583a8d43a9f1f09
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to 'autoestima baja pdf'. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to increase visibility and click-through rates to the malicious redirector.

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=que+es+autoestima+baja+pdf In PDF document text
    • http://files.aaronkrohn.com/uploads/1/3/1/4/131453111/juvonowida.pdfIn PDF document text
    • http://files.fusedancecollaboration.com/uploads/1/3/0/8/130874134/1107969.pdfIn PDF document text
    • http://files.ashleyjoleendoulacare.com/uploads/1/3/1/0/131070992/vawugujatuju-jelesa-wosemudogok.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/1/0432/0067/6003/files/33838468646.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8365/2506/files/gardiner_egyptian_grammar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4519/1841/files/vetiretutaluvinomerewuzuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bojakotipizijogi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3905/5253/files/check_mark_alt_code.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6367/0939/files/jibekiguvalemumobimut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5834/8700/files/65755881887.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8523/4338/files/the_everything_learning_german_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1870/6331/files/sifitav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4118/5189/files/11219711454.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/dukozizerofa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8348/9690/files/kewijujuzutigigonelusab.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 3

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_off00006e8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E8B 5336 bytes
SHA-256: b075da3e177f4d562b7e9801b7f363c709862a23464523513e52cc55e7d30bfb
font_01_sfnt_off0000809f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x809F 11308 bytes
SHA-256: e3764c587326bd5a00b989160fd55e43f7dd33bd3866e7a27b239f02552c124d

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