MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'toefl itp reading comprehension practice test pdf' and a URL that matches this theme, suggesting a lure for users seeking study materials. The presence of a link farm further indicates an attempt to drive traffic to external sites, potentially for phishing or malware delivery.
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.com/pify?keyword=toefl+itp+reading+comprehension+practice+test+pdf
- http://files.dongpu.studio/uploads/1/3/0/8/130873708/xitabelusimi.pdf
- http://files.jesusgoes2italy.com/uploads/1/3/1/8/131871730/392450.pdf
- http://files.gamingcomputersstoreunit.com/uploads/1/3/1/1/131163980/e9388b1dfc7e1e.pdf
- http://tofazosin.taylorcdotson.com/uploads/1/3/2/7/132710712/xujatetu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/1763/3949/files/94261500036.pdf
- https://cdn.shopify.com/s/files/1/0437/2057/3080/files/briggs_and_stratton_engine_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/0197/0837/files/75718068832.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5590/files/78937551522.pdf
- https://cdn.shopify.com/s/files/1/0434/2457/9736/files/pain_train_tf2.pdf
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/91166309940.pdf
- https://cdn.shopify.com/s/files/1/0438/6911/0432/files/13655191524.pdf
- https://cdn.shopify.com/s/files/1/0427/4018/7303/files/zetulisirazituman.pdf
- https://cdn.shopify.com/s/files/1/0430/7684/5728/files/dajutatif.pdf
- https://cdn.shopify.com/s/files/1/0432/0775/3888/files/system_analysis_and_design_tutorial_free_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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ac94.bin997ee9055abd8f1b83b10a384bd183e9ec856c37e2d29eaaebae520ad6f6d358 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC94 | 5516 bytes |
font_01_sfnt_off0000bf2e.bin0bf440db543467b29f08d8f97668b769eaaa933ebedac73dfdc218f08a05f924 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF2E | 10708 bytes |
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