MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a search result for 'ap chemistry textbook online pdf'. This suggests a phishing or social engineering lure. The document also contains a large number of links to PDFs hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/wb?keyword=ap%20chemistry%20textbook%20online%20pdf
- http://files.birdsontheniagara.org/uploads/1/3/0/7/130775583/debepadem-lomojakezexoki-vifuvogelumo.pdf
- http://files.tropicsailing.com/uploads/1/3/1/3/131398360/bagapitebir-dodarawavejapu-pomexajoxow-jefanapurorukum.pdf
- http://files.stevecrowhurst.com/uploads/1/3/1/4/131437775/karodabunudusof_nolobikepegasu.pdf
- http://files.corsicanamainstreet.org/uploads/1/3/1/6/131607712/32807d48890f3ca.pdf
- http://files.sleddogsocietyofwales.co.uk/uploads/1/3/0/7/130739802/ca35f4c.pdf
- https://cdn.shopify.com/s/files/1/0432/2459/6642/files/11341230774.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3434/files/epic_emr_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/0509/9675/files/jisokabuwidejotaturumo.pdf
- https://cdn.shopify.com/s/files/1/0437/7804/8161/files/7414121239.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/sediwanatepezesipifo.pdf
- https://cdn.shopify.com/s/files/1/0432/7640/2854/files/zuxiramomefugi.pdf
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/kanevobukoratemuma.pdf
- https://cdn.shopify.com/s/files/1/0433/4895/1194/files/tififesavuvorowa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004f14.bin159ca6218750b7b5ab4f082cfae82d4c02cb37808f96d21aabf1acafb7795990 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F14 | 5548 bytes |
font_01_sfnt_off000061d0.binaa94e30bfcdb683e28535dc5059394b3bc04280b15bbc5bc49cc239acb4443b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61D0 | 10004 bytes |
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