Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7ccafdd2124d8ca…

MALICIOUS

PDF

47.5 KB Created: 2020-08-14 01:01:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8883eb67381d62633f247cd3c78f2dbe SHA-1: 0109fb5ca348c29d266881e9ee937934ef8c5114 SHA-256: d7ccafdd2124d8cae766339755861ed02e229ea3f7e2a2d899006f2be47cdce3
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The primary malicious URL, https://ttraff.cc/pify?keyword=interview+tips+and+questions+and+answers, is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains text related to interview tips, likely serving as a lure.

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=interview+tips+and+questions+and+answers In PDF document text
    • http://files.thecrazydatingwidow.com/uploads/1/3/1/3/131398541/zobutoparajum.pdfIn PDF document text
    • http://bupezenem.dalmatiner-von-kalina.com/uploads/1/3/2/6/132683014/5905239.pdfIn PDF document text
    • http://files.freehomehealthaidetraining.com/uploads/1/3/0/9/130969498/7680844.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/1/0435/3340/2266/files/letter_format_in_marathi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4324/8545/files/93509668104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6345/1549/files/88560927081.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3612/0990/files/espn_college_hockey_scores.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6646/6202/files/bupaxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2244/9820/files/86181441119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1335/7214/files/serena_bloodfeather_vanilla.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/maths_book_for_class_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3032/3095/files/tigebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7647/5290/files/vafuvilotemolugum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3815/0549/files/business_communication_today.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 1

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_off00007cdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CDD 5136 bytes
SHA-256: 952b8e4502c3e85cedc9ee4ffaa8878c7f96f87b19a300eed8980d3077006a07
font_01_sfnt_off00008e69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E69 10076 bytes
SHA-256: 47bc3aa5c0304e81d62b469b9dfcba80740868e9d14133727de9d57fe48452c2

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