MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, many of which point to a redirector service that ultimately leads to malicious content. The document body, though heavily obfuscated, contains a URL that matches the suspicious redirector. The heuristic firings indicate the PDF is designed as a redirector and a link farm, aiming to distribute malicious content.
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=s+chand+physics+class+10+refraction+of+light+pdf
- http://wexemizef.lilyhock.com/uploads/1/3/1/0/131071164/xufubuvir_zekiginatug_duwukufidonat_mokejegusi.pdf
- http://gewipafes.mineheadareadetectorists.co.uk/uploads/1/3/1/4/131454012/2861672.pdf
- http://nutexur.vellfitness.com/uploads/1/3/1/4/131453574/sexan-suwad-xawolujetigog.pdf
- http://files.jeffnickell.com/uploads/1/3/1/4/131406663/148596.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/58486209641.pdf
- https://cdn.shopify.com/s/files/1/0428/2492/5340/files/19332568586.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1204107997.pdf
- https://cdn.shopify.com/s/files/1/0436/4586/2041/files/kabbalah_magic_symbols.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/61144253038.pdf
- https://cdn.shopify.com/s/files/1/0431/4277/4935/files/robifiduraze.pdf
- https://cdn.shopify.com/s/files/1/0437/3364/7525/files/xidem.pdf
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/tomomu.pdf
- https://cdn.shopify.com/s/files/1/0438/0363/9970/files/pdf_to_word_converter_software_download_for_windows_xp.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/13536281225.pdf
- https://cdn.shopify.com/s/files/1/0437/9276/0981/files/adjective_phrase_list.pdf
- https://cdn.shopify.com/s/files/1/0429/1490/6279/files/google_atari_breakout.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_off00006d93.bind0e4e0357a39b8aa6b86a62527bd74b9c0884dec7d674c3d6cb21e1acc20b98b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D93 | 5816 bytes |
font_01_sfnt_off00008168.binc389402f6fd36a1d59b3c84c009a5297afa4e6b9d323f516de1cc452b6827b58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8168 | 10420 bytes |
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