MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, identified as a link farm, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a worksheet, suggesting a lure to disguise the malicious intent. The ML classifier also strongly indicated maliciousness.
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=action+verbs+vs+linking+verbs+worksheet
- http://files.downtoearthshops.com/uploads/1/3/1/3/131381237/fcd018fae120df.pdf
- http://files.mattyoungactor.com/uploads/1/3/0/8/130874679/gunogemifitogu.pdf
- http://files.newarkfriary.org/uploads/1/3/1/3/131378899/fagavobin_jikigarukugepug_tebuxor.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6108/3288/files/xurejipivi.pdf
- https://cdn.shopify.com/s/files/1/0431/0892/5600/files/23941917879.pdf
- https://cdn.shopify.com/s/files/1/0429/6844/9180/files/timebumiz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21086069096.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51108684678.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/21196415869.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94215193789.pdf
- https://cdn.shopify.com/s/files/1/0434/1684/6488/files/6838802905.pdf
- https://cdn.shopify.com/s/files/1/0437/0720/3739/files/bukemezigobawajojipuk.pdf
- https://cdn.shopify.com/s/files/1/0437/6897/1418/files/52262999223.pdf
- https://cdn.shopify.com/s/files/1/0429/3158/5180/files/rixisovap.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_off0000699e.bin28be77e8261830a52aaa547013e3c38e5db36ad38733a464f3cb332eeabac0de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x699E | 4984 bytes |
font_01_sfnt_off00007a90.bin6cb5b4f4831307cffa27af28c943013bad74a1cab943a985cf17acca9af9c473 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A90 | 10120 bytes |
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