MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=ccna+data+center+sybex+pdf', which is flagged as malicious. This suggests the PDF is designed to act as a link farm, leading users to malicious content through the redirector.
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/pify?keyword=ccna+data+center+sybex+pdf
- http://files.heantonpunchardon.com/uploads/1/3/1/8/131856430/4085e93089114f4.pdf
- http://files.cascadiamotion.com/uploads/1/3/1/4/131453045/1239c31c87b.pdf
- http://files.jandaministries.com/uploads/1/3/1/1/131164479/figijewed-lewik.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/8d_structured_problem_solving.pdf
- https://cdn.shopify.com/s/files/1/0438/5135/0166/files/xunodifurixanowe.pdf
- https://cdn.shopify.com/s/files/1/0434/2215/4908/files/49954708202.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdf
- https://cdn.shopify.com/s/files/1/0434/2834/8060/files/amazed_lonestar_chords.pdf
- https://cdn.shopify.com/s/files/1/0436/9983/0952/files/2090238393.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3458/files/nypd_exam_2016.pdf
- https://cdn.shopify.com/s/files/1/0437/2227/7032/files/72206146060.pdf
- https://cdn.shopify.com/s/files/1/0438/5318/5174/files/70646417248.pdf
- https://cdn.shopify.com/s/files/1/0441/2126/0184/files/nowipanoxopotivokok.pdf
- https://cdn.shopify.com/s/files/1/0428/7011/2423/files/82701698701.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bovegutug.pdf
- https://cdn.shopify.com/s/files/1/0450/0973/1734/files/cbse_class_10_english_syllabus_2020_20_download.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_off00004b10.bin6bfbba2db016cda7e395c4d5b8cb5900f99e1d6781f51ba8d45fb6b4db7217e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B10 | 5332 bytes |
font_01_sfnt_off00005d35.bin389b9218bd6298cbbbb6c8630a6b9d1a5bf9956af9be2c7099181d158ab843f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D35 | 10376 bytes |
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