MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a lure impersonating a document signing service, directing the user to click a link. The embedded link `https://ttraff.cc/pify?keyword=pdf+reader+app+ipad+highlight` is flagged as a malicious redirector. The document also exhibits characteristics of a link farm, with numerous external PDF links, including one hosted on `cdn.shopify.com`. No scripts were extracted, but the presence of a malicious redirector and the impersonation lure strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Document signing service impersonation lure medium SE_DOCUSIGN_LUREDocument impersonates DocuSign, Adobe Sign, or a similar signing service in a signing-request context
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=pdf+reader+app+ipad+highlight In PDF document text
- http://files.lwvchampaigncounty.org/uploads/1/3/1/6/131637136/379b7a35a71.pdfIn PDF document text
- http://files.perfectlayout.co.uk/uploads/1/3/1/3/131398547/7466934.pdfIn PDF document text
- http://files.antondelgado.com/uploads/1/3/2/7/132710748/4301430.pdfIn PDF document text
- http://files.18crossroad.net/uploads/1/3/1/6/131637325/kifezuko.pdfIn PDF document text
- http://files.surreyhillsmusicfestival.com/uploads/1/3/1/4/131408209/3741738.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/1/0430/8847/8359/files/tedujonuzapuvitar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7921/2959/files/42050550547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6350/9141/files/jeretilemume.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8089/8973/files/87609567358.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6829/3287/files/francis_dk_ching_building_construction_illustrated_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1335/6189/files/dupeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6665/3858/files/battleeye_initialization_failed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1223/5174/files/86801414102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4744/3865/files/active_learning_spaces.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3603/0629/files/jinafogubowutexibikonud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7790/1214/files/rinadiwamokesuba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2128/6050/files/59830845534.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7542/7735/files/mafusadoxaxulas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9906/2421/files/goxuwofukamobebitolejuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6616/9246/files/godasafup.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67E7 | 5128 bytes |
SHA-256: fd3216dd8f84aff4e97fc09b178d09dd8a1a75535b194044a7451ed454780748 |
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font_01_sfnt_off0000795d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x795D | 10136 bytes |
SHA-256: ba1319a703c7deb0d8cc02a8dade7b8156f7634d2ae69e6188c7692e06a17480 |
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