MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document is classified as malicious due to its inclusion of numerous external links, many of which point to a redirector service. The document body and embedded links suggest a lure to download further malicious content, disguised as educational material. The primary malicious IOC is the redirector URL, which is designed to lead users to harmful sites.
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=barron+gre+math+workbook+pdf
- http://files.tinaraylifeupsidedown.com/uploads/1/3/1/1/131164236/80cde55e31.pdf
- http://jojaf.theskivviesnyc.com/uploads/1/3/0/9/130969656/norobatagoxivi-zubojopilup.pdf
- http://files.elizabethashdown.co.uk/uploads/1/3/0/8/130815017/gagamojijuz.pdf
- http://files.cablebaylimited.com/uploads/1/3/1/4/131408250/8f3213211590.pdf
- http://files.autumnlala.com/uploads/1/3/0/7/130740189/tuxosex.pdf
- https://cdn.shopify.com/s/files/1/0430/9522/8565/files/nokopaliduziragezode.pdf
- https://cdn.shopify.com/s/files/1/0434/9270/4408/files/82629247981.pdf
- https://cdn.shopify.com/s/files/1/0434/5511/9512/files/rekafugawowu.pdf
- https://cdn.shopify.com/s/files/1/0429/3056/9382/files/rerazuwiz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/71299233386.pdf
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/combine_text_files.pdf
- https://cdn.shopify.com/s/files/1/0437/9371/1265/files/samodipuzexirizukixoxun.pdf
- https://cdn.shopify.com/s/files/1/0433/3853/0965/files/witezusifiz.pdf
- https://cdn.shopify.com/s/files/1/0435/1954/1416/files/70975855271.pdf
- https://cdn.shopify.com/s/files/1/0433/5819/1768/files/mumunokuluwutevuxotufosis.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000671d.binc58038adfabadd11750924badc15422cfce79baec5c204352c86f8cf9c890835 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x671D | 5332 bytes |
font_01_sfnt_off00007918.binfc52653a598fa51a192892cd8f7320ba9c9f13d623557013944cad4b83975c66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7918 | 9880 bytes |
font_02_sfnt_off00009ad5.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AD5 | 4324 bytes |
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