Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb14f16959af8660…

MALICIOUS

PDF

67.3 KB Created: 2020-08-24 00:08:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 46c5c88d9dfe04fd4f1acc73504d4c25 SHA-1: d989ecd22f8d1d3670c3a4633087f7e865b69a3e SHA-256: cb14f16959af866006e0bfc05fac9ddb8140e63f014a07454ad447827f5874ee
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.cc/pify?keyword=cellulose+derivatives+pdf'. Another critical heuristic indicates a PDF link farm, with a benign Shopify URL being the first listed. The document body contains obfuscated text and a reference to the malicious URL, suggesting a lure to a malicious site. 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=cellulose+derivatives+pdf In PDF document text
    • http://files.wnychamberorchestra.com/uploads/1/3/2/6/132682731/muzotof.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/1/0427/4877/2519/files/konajabepefipetunomanod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4136/5922/files/moweruxokiliwem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6462/3265/files/89566502366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9095/1848/files/pedefazesulomesewalax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3328/8088/files/lofarabiluwazozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6775/2100/files/pumaxigasakiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2262/8502/files/tenant_agreement_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9276/0981/files/cogat_bubble_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3400/7973/files/ribedowowadarewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34680977850.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5337/4874/files/anthropological_thought_upadhyay_and_pandey_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3778/5240/files/34479632239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5940/4197/files/xeziwixoxalidonibitelaboz.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bab7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAB7 6492 bytes
SHA-256: cf6bcbaf462759e04676f8989e7e87ed4d43c4317550ddbd0c5684ab0bd17b73
font_01_sfnt_off0000caeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAEB 5000 bytes
SHA-256: 6584448bcb5dfb47404de2eff693e9997901258076d5a988455293068cf9c105
font_02_sfnt_off0000dc00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC00 10524 bytes
SHA-256: 7c75fc54ebc5c75525ba65194c66b5019cfc3626e1d511920160b995c3d7bd7e

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