MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.me/wix?keyword=math+problems+with+answers+pdf'. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a link farm designed to funnel users to malicious sites. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.me/wix?keyword=math+problems+with+answers+pdf 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/1/0433/3420/5590/files/62204603875.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8947/7273/files/70974271239.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0700/7141/files/miller_heiman_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3019/9966/files/wopezugosenugototosumib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6913/6280/files/34822038375.pdfIn PDF document text
- https://static.usrfiles.com/ugd/60933b_06b320f51b4d4a6e847414d57a7456a8.pdfIn PDF document text
- https://static.usrfiles.com/ugd/eb4c03_bccbd77922ed4ca988f6be9994591ae4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_2c8c73af705e405ab11aaf9e478b56bc.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_beba4432736d44e8bebca1d18845bce3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_232b2ce46f504b449e36880dc647fa5a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/1cfe37_9e56a8af11984cacacd5bb82c47f5b59.pdfIn PDF document text
- https://static.usrfiles.com/ugd/54fa57_3cb1d308d17841e4be7c123accd33aff.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8179/3698/files/big_ideas_math_algebra_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1624/7703/files/fofulirebav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8156/2280/files/79266366957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6214/0840/files/zobotuvifekuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9377/7827/files/betibifelifimedejun.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000691f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x691F | 5516 bytes |
SHA-256: f9bfc67537331d424d0851a08425f2e0afc3e6b4b2b3376ecdada2cc3c3abd67 |
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font_01_sfnt_off00007bc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC3 | 1884 bytes |
SHA-256: f5a3e0886b95c9b467f99b5e94d28133f575fbf2270330b68ad91cfe8bde1cf1 |
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font_02_sfnt_off000084e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84E1 | 11220 bytes |
SHA-256: 8c707e94017665dbe4253acf46562902504efc27cafd9c553765dd66397cd3eb |
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font_03_sfnt_off0000ab4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB4C | 16560 bytes |
SHA-256: f255b3d9fe3743734c422bdf22d4e11b00bbda096b77853fcfae3fc416bb4409 |
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