Malicious PDF — malware analysis report

Static analysis result for SHA-256 823d7e4efc1202b9…

MALICIOUS

PDF

55.8 KB Created: 2020-08-23 01:01:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d3f707f13ac7b978b610addd74a99d32 SHA-1: 932bda7026c02d6883c0fe47a9213d8411b0d0c5 SHA-256: 823d7e4efc1202b9c4819eb47b785fab07554f3fef1019981a6f1e095107a4a2
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links and a document body that includes a URL, indicating an attempt to redirect users to external sites. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.com/pify?keyword=christmas+songs+tagalog+free as malicious redirector infrastructure. The presence of numerous links, many pointing to Shopify domains, suggests a link farm or SEO manipulation tactic to distribute malicious content, likely a phishing 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.com/pify?keyword=christmas+songs+tagalog+free In PDF document text
    • http://files.silverlakebarroncounty.com/uploads/1/3/1/6/131607103/finufi-gematitafodaz-girekimu.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/1/0433/5042/5750/files/45126979244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/brainstalks_risk_of_rain_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4456/0281/files/7737601735.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0016/8597/files/77955223568.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7688/6431/files/datifanafukapavot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5207/2089/files/bluebird_promise_all.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1851/7665/files/gezerub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6467/8817/files/kiledujulixawobujosexu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0204/4316/files/tipibar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5989/4689/files/56188437491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6126/5062/files/71087173541.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 5

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_off00009a16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A16 5084 bytes
SHA-256: 0707ece5f781eff02cca77e20eb5f1da5a93bad49d5437e0fd0403ccc640e34a
font_01_sfnt_off0000ab3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB3A 12152 bytes
SHA-256: b61607f5f9c971fe4a29379ecf34dc0d98a75ee27217d7b5efc5b66c1eb1d62e

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