MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm designed to host further malicious content. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.ru/pify?keyword=fafsa+form+pdf', which is likely intended to lead the user to a phishing or malware distribution site. The document body text and embedded links suggest a lure related to 'fafsa form pdf'.
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.ru/pify?keyword=fafsa+form+pdf
- http://didusin.wakecomedicalalliance.com/uploads/1/3/0/9/130969045/9749764.pdf
- http://sozasik.nataliecanderson.com/uploads/1/3/1/6/131636664/muduvivevufubuveji.pdf
- http://files.chefcappyskitchen.com/uploads/1/3/1/6/131606694/5942649.pdf
- http://files.studiosirishop.com/uploads/1/3/2/7/132740917/762a1.pdf
- http://files.tourofguam.com/uploads/1/3/1/4/131437311/442670.pdf
- https://cdn.shopify.com/s/files/1/0432/3937/5012/files/wipanon.pdf
- https://cdn.shopify.com/s/files/1/0431/7151/2480/files/fasuki.pdf
- https://cdn.shopify.com/s/files/1/0428/5110/6972/files/54505380040.pdf
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/teas_science_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/nimesu.pdf
- https://cdn.shopify.com/s/files/1/0436/2564/4192/files/97051894316.pdf
- https://cdn.shopify.com/s/files/1/0432/1165/3282/files/47102611811.pdf
- https://cdn.shopify.com/s/files/1/0431/2711/1841/files/bitwise_operators_in_python.pdf
- https://cdn.shopify.com/s/files/1/0430/7173/3917/files/70231427808.pdf
- https://cdn.shopify.com/s/files/1/0437/9623/4400/files/61930012884.pdf
- https://cdn.shopify.com/s/files/1/0428/1466/8959/files/how_to_convert_to_word_without_acrobat_pro.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_off00006699.bin54f9ff751687e37ff974242f5c82149414a10895c7fe0ab6f3ea22baef458b92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6699 | 5108 bytes |
font_01_sfnt_off000077e8.bind7e1286c4e0a19fe3fc32846f509cbeba147146418914626f9ac479f346d900e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77E8 | 10256 bytes |
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