MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to "Objective c cheat sheet pdf" and a URL that appears to be part of a link farm designed to attract search engine traffic. This suggests a phishing or scam attempt, likely using a spearphishing attachment as the initial vector.
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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/wix?keyword=objective+c+cheat+sheet+pdf
- https://cheatography.com
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/7417/4622/files/zuxoj.pdf
- https://cdn.shopify.com/s/files/1/0440/7007/6566/files/hot_butter_popcorn_song.pdf
- https://cdn.shopify.com/s/files/1/0434/0921/1549/files/flash_ray_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0431/3969/4741/files/comparative_public_policy.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemisavixazesunomezixe.pdf
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/bafule.pdf
- https://cdn.shopify.com/s/files/1/0431/4847/6570/files/tesis_de_auditoria_interna.pdf
- https://cdn.shopify.com/s/files/1/0429/3384/6175/files/wonunuxenajadujikipot.pdf
- https://cdn.shopify.com/s/files/1/0428/3429/6988/files/fozinudulezumobelemi.pdf
- https://cdn.shopify.com/s/files/1/0437/4459/2021/files/morusevala.pdf
- https://static.usrfiles.com/ugd/b8c837_c59f6c0eb37742cda4586de8e5ae4a8a.pdf
- https://static.usrfiles.com/ugd/b8c837_2144100e9be34a09ba9a82ea531e3fca.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_off0000faf0.bin76376f69b44d3c8d7a40b58b9057a25effcfdeca830699679eab4fa9ff4394ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF0 | 5420 bytes |
font_01_sfnt_off00010d5d.binbe071991b43ecdd3eb4f6d2a6367e6fcf6c3856a4362b64e7df3c4bb3e07e31e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D5D | 15296 bytes |
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