MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though obfuscated, contains a URL that is also flagged as a malicious redirector and impersonates Microsoft for credential phishing. The presence of numerous PDF links suggests a link farm strategy to distribute malicious content.
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.cc/wix?keyword=bookmarks+firefox+android+export.
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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/wix?keyword=bookmarks+firefox+android+export In 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/1/0427/4287/4278/files/chief_examiner_s_report_on_english_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/5352/6690/files/android_10_emoji_update.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/0761/1804/files/risijasibizivavenositi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9973/2633/files/9098544591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5512/8477/files/bezuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7389/6602/files/james_stewart_early_transcendentals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7288/8742/files/flower_names_and_pictures.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8326/0314/files/zupowebelamiramozader.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0d9a50_c2b21c4f601e42608dee0e1c6069b52b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/77941b_d3db8a9fb55c499380f94d3880e0d33c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ef7486_2c7a2057cebf42cb8b936faa4a50fe6e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/df73ab_2bee6617e76d4f7b94754fcfa41caa87.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_fb53133584154903b1f367876c521722.pdfIn PDF document text
- https://static.usrfiles.com/ugd/21e6f2_471432780e38443ea8fa287c2b0ddcbf.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CD5 | 5336 bytes |
SHA-256: 59e4edd191e715925d33f50c7846265841f0df670fb758accfb092d87ebd63f7 |
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font_01_sfnt_off00006ee3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EE3 | 1936 bytes |
SHA-256: 21a7146106e2ad29a4dcc6aa55cee169416400570e2b3d493b6d071cb256f2f3 |
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font_02_sfnt_off00007825.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7825 | 10460 bytes |
SHA-256: ea47359950b4d3f6709c83ed028e528fda3a2f9e5f35e1af7b6b3763ade394b1 |
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