Malicious PDF — malware analysis report

Static analysis result for SHA-256 baf9b3a42310f797…

MALICIOUS

PDF

51.2 KB Created: 2020-08-07 14:59:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 655d3e937d16a547feb424fe6e47df17 SHA-1: 3b4aab90d5218016c15ca992dac1a3e41b728bb5 SHA-256: baf9b3a42310f797295d92444c109945188ed7486d0a33539c887f5dbf506269
234 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=bc+b+caste+list+in+ap+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0433/7867/1783/files/download_ebook_the_hunger_games_bahasa_indonesia.pdf'. The document body, though partially corrupted, contains the malicious URL, suggesting a social engineering lure to redirect users to malicious infrastructure.

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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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.
  • 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=bc+b+caste+list+in+ap+pdf In PDF document text
    • http://files.daverobinsonphotos.com/uploads/1/3/1/4/131406433/c235f9fe.pdfIn PDF document text
    • http://files.engiellepaguican.com/uploads/1/3/2/6/132681812/1030394.pdfIn PDF document text
    • http://files.centennialvocalmusic.com/uploads/1/3/0/8/130814594/01b4066.pdfIn PDF document text
    • http://files.x-c-l.org/uploads/1/3/0/7/130775156/wanem-nevule-rufawa-jidisoliwi.pdfIn PDF document text
    • http://files.westofirelandwomensminimarathon.com/uploads/1/3/1/4/131406947/nojajejoraxev-xetamug-vivonorinaxuxaj.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/1/0433/7867/1783/files/download_ebook_the_hunger_games_bahasa_indonesia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8110/5562/files/marulifibaziwijosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0205/2257/files/fodin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6674/8056/files/algebra_2_common_core_big_ideas_textbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2015/5037/files/14463379599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2955/3575/files/logical_framework_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1645/3272/files/daxarolalow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9480/9512/files/consumer_reports_microwave.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4452/7511/files/95653459654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/67353427870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8143/3242/files/sekavoxoliw.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007b87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B87 5244 bytes
SHA-256: 1195416305070cbbc236a6030425f0621ff396efc48c2698c5396769034f0616
font_01_sfnt_off00008d70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D70 15832 bytes
SHA-256: 9e3aff6116ce1b510ef887733be96dec282c5c39cea21d4daa494302fcb61ac3