MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a genetics worksheet answer key. It also hosts a large number of other PDF files, likely for SEO manipulation to improve search engine ranking and visibility. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector is a high-confidence indicator of malicious intent.
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=simple+genetics+practice+problems+worksheet+answer+key
- http://files.aarponondagachapter243.org/uploads/1/3/0/7/130775232/zazanilasaka_jexafebusiwu_pakimitukod_zopesagago.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/6980/6494/files/70650546022.pdf
- https://cdn.shopify.com/s/files/1/0432/3350/9534/files/regotufarusonodokuvalu.pdf
- https://cdn.shopify.com/s/files/1/0436/3180/4574/files/can_you_delete_a_retweet.pdf
- https://cdn.shopify.com/s/files/1/0431/5326/0706/files/83663554400.pdf
- https://cdn.shopify.com/s/files/1/0431/5021/3274/files/36065059457.pdf
- https://cdn.shopify.com/s/files/1/0432/2030/4034/files/fasugogagopedumezigo.pdf
- https://cdn.shopify.com/s/files/1/0437/8879/6053/files/jujokukaziwuwekodez.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13139855908.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97697777452.pdf
- https://cdn.shopify.com/s/files/1/0431/7813/1611/files/xemosej.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_off00004314.bin5bdaf04dfdcc3e4bde71dc2860649ca0245bdaa447b5572ff2283439e4e1e0e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4314 | 5848 bytes |
font_01_sfnt_off000056e0.bin3ff4df53eb2b7c3f2088f579e5afd498c13c34b29ed9853933148ed588342595 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56E0 | 11424 bytes |
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