MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a prominent link to a malicious redirector, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains text related to 'Casper test practice questions and answers' and the malicious URL, suggesting a phishing lure. The PDF also hosts a link farm of other PDFs on Shopify, likely for SEO manipulation to increase visibility.
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=casper+test+practice+questions+and+answers
- http://puketewa.newvandals.com/uploads/1/3/2/6/132695471/ef36e0.pdf
- https://cdn.shopify.com/s/files/1/0435/6964/3675/files/cuales_son_los_valores_de_la_ciudadania_digital.pdf
- https://cdn.shopify.com/s/files/1/0428/8331/7926/files/regimekifugilajux.pdf
- https://cdn.shopify.com/s/files/1/0437/2804/4193/files/kill_all_processes_by_user.pdf
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/68019672642.pdf
- https://cdn.shopify.com/s/files/1/0440/8714/8694/files/85700326915.pdf
- https://cdn.shopify.com/s/files/1/0436/7430/4662/files/c_c_generals_zero_hour_maps.pdf
- https://cdn.shopify.com/s/files/1/0445/1778/5759/files/zidamolejosuwim.pdf
- https://cdn.shopify.com/s/files/1/0440/8170/9206/files/93449783388.pdf
- https://cdn.shopify.com/s/files/1/0437/0356/6486/files/98132935451.pdf
- https://cdn.shopify.com/s/files/1/0432/7663/2214/files/marvel_avengers_academy_game_mod_apk.pdf
- https://cdn.shopify.com/s/files/1/0430/1747/0101/files/31111771139.pdf
- https://cdn.shopify.com/s/files/1/0433/3892/4181/files/xedulogodulezefexomokigi.pdf
- https://cdn.shopify.com/s/files/1/0431/7632/9373/files/56769245752.pdf
- https://cdn.shopify.com/s/files/1/0431/7344/5788/files/generic_risk_assessment_template_australia.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_off0000d6d6.bin076d7ea684b3a1e1587c5d7919de9548db50462a24f897890a39605655c7848b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D6 | 5156 bytes |
font_01_sfnt_off0000e879.binbc0b92b726dd2ca49358f3cd6c3de7467911efdcbc9fb10e59beebabfd2dcbdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE879 | 11512 bytes |
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