MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a redirector infrastructure, which is a common tactic for distributing malware or phishing pages. The document body and embedded URLs suggest a lure related to 'Instagram dark mode apk ios', likely to trick users into downloading malicious content or visiting a phishing site. The ML classifier strongly indicates maliciousness, and the presence of numerous external links points to a link farm or SEO manipulation for distribution.
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=instagram+dark+mode+apk+ios
- http://files.asliors.com/uploads/1/3/1/3/131379213/222c5.pdf
- http://lozen.uoftmedadmissions.com/uploads/1/3/0/8/130874493/togesodamewi_voxakafex_tugutaw.pdf
- http://files.newcreationsdc.com/uploads/1/3/2/7/132741352/1d9f56fd9028.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4980/3162/files/kalunafizogogeriwilufabu.pdf
- https://cdn.shopify.com/s/files/1/0433/9708/7390/files/95867316126.pdf
- https://cdn.shopify.com/s/files/1/0432/3672/0808/files/98137369393.pdf
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/26730448162.pdf
- https://cdn.shopify.com/s/files/1/0433/5458/7288/files/xugesomokov.pdf
- https://cdn.shopify.com/s/files/1/0437/7506/6273/files/acs_exam_organic_chemistry.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/96569530776.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1369814796.pdf
- https://cdn.shopify.com/s/files/1/0431/6292/7263/files/deauthorize_callback_url.pdf
- https://cdn.shopify.com/s/files/1/0439/4899/8811/files/toro_6._75_149cc_manual.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_off00006101.bin6764f11d56879d5df232d80791e28f5c6e973ca5c3262ff5030406617bc1a857 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6101 | 5248 bytes |
font_01_sfnt_off000072c3.bin4c8a3e59b2573eaf14497f2f25d9da8b6d38371ea7af0833c08ccb67a3b41420 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C3 | 9980 bytes |
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