Malicious PDF — malware analysis report

Static analysis result for SHA-256 8114bb77dedc5749…

MALICIOUS

PDF

49.4 KB Created: 2020-08-02 22:26:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 76d18b9630a6b6f0256afcb677f06820 SHA-1: 7e1d9af1c1533d4ff57760a4edc36144bd1bff28 SHA-256: 8114bb77dedc5749476d5f814f3b7e12dfb5edb0471ed2cfd281e3198c0ecff6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=symmetry+financial+group+reddit'. The presence of a large number of external PDF links suggests an attempt to manipulate search engine results or distribute malicious content through a link farm. 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=symmetry+financial+group+reddit In PDF document text
    • http://files.pdxmusicminister.com/uploads/1/3/0/7/130738548/398364.pdfIn PDF document text
    • http://files.tcoectc.org/uploads/1/3/1/4/131453902/a5197.pdfIn PDF document text
    • http://files.enchantedboutiquemn.com/uploads/1/3/0/8/130814032/tivazodinemoxux.pdfIn PDF document text
    • http://files.annaparkernaples.com/uploads/1/3/0/9/130969960/gifidikemebodabinu.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/1/0432/5064/7202/files/wexejetin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6802/3194/files/89535557759.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93861148098.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1274/3591/files/90060644652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3431/1845/files/nowizideviw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4877/1488/files/82954067032.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8508/4310/files/zilejetokajomerusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6150/1334/files/73014528701.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4256/9383/files/7597223233.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7520/5288/files/50614132521.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 8

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_off00008247.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8247 5504 bytes
SHA-256: a712ae5958690b80128126e92c56d5633ffb4802fa8fce0feb51f1850eec8883
font_01_sfnt_off000094f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94F0 10620 bytes
SHA-256: 0830b87b0e2ceac677709c0999ceb6b4f204b494eaedf3e68a89e22615a37df0

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