Malicious PDF — malware analysis report

Static analysis result for SHA-256 9895217d2f7b81bd…

MALICIOUS

PDF

49.6 KB Created: 2020-09-07 01:51:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0a05cbf8b0b01ed9dcca2901d913286f SHA-1: 3b490315466639c71b8239ba08b777e2b59b5fdb SHA-256: 9895217d2f7b81bd1982cf4407d6da2b5efa79687aeaf2e75546238288a8a438
194 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits a PDF link farm, with numerous links pointing to Shopify-hosted PDFs. One of these links, https://ttraff.me/wix?keyword=chopper+city+in+the+ghetto+zip, is identified as a malicious redirector. The document body contains garbled text but includes the same malicious URL and several benign Shopify URLs.

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.me/wix?keyword=chopper+city+in+the+ghetto+zip In 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/1/0466/3243/5877/files/amulet_of_the_damned_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1500/4582/files/graphing_lines_from_tables_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0471/0521/2566/files/algebra_factoring_worksheet_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9575/2864/files/sizufutiwuvo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4430/7098/files/zivaregukukibegapefis.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/739437_c697d39f97aa41c18ed6104eb2395a23.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/5bb01c_a8ed7c33a79c45a195c88160459933f3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/9580/1253/files/refubigoredemotaporitif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/0636/1504/files/ruvemaba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3748/2405/files/koxilavelogubedubidinip.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 2

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_off00005e2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E2A 7608 bytes
SHA-256: c0fcc41018fb83f0b45b3f5a55f777522ef4dd2e7cd5b68d0eaa66f41ab9bc19
font_01_sfnt_off00007842.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7842 4832 bytes
SHA-256: 2cf46d42ed059750d5c82c399db73541129a06eae7560bb04eb096672c875767
font_02_sfnt_off000088c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88C5 15860 bytes
SHA-256: 478809958160546c5765550220b2955827e7ca5b492212e24960c29ce312c9c2

Open this report in the interactive analyzer, or submit your own file for analysis.