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 hosted on cdn.shopify.com, and one critical link redirects to a known malicious domain (ttraff.cc). The document body, though obfuscated, contains text related to 'adjectives worksheets for grade 1 pdf', suggesting a lure to disguise the malicious intent. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector confirms the intent to lead users to harmful 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=adjectives+worksheets+for+grade+1+pdf
- http://files.oppositeofberlin.com/uploads/1/3/0/8/130874360/8131011.pdf
- http://files.stakeranimalcremations.com/uploads/1/3/1/4/131437064/piforofegore.pdf
- http://files.schuttvision.com/uploads/1/3/1/6/131606094/zakaripalirukodefivi.pdf
- https://cdn.shopify.com/s/files/1/0437/7985/0397/files/evocative_objects_turkle.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/35940853121.pdf
- https://cdn.shopify.com/s/files/1/0440/7253/4168/files/comment_runir_plusieurs_pages_en_un_seul_document.pdf
- https://cdn.shopify.com/s/files/1/0438/6127/8885/files/doxusebozuvovavaxesibu.pdf
- https://cdn.shopify.com/s/files/1/0434/7969/5517/files/butterbrottten_sterne_vorlagen.pdf
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/jasuxuwudatezutadiguw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wuwikeg.pdf
- https://cdn.shopify.com/s/files/1/0428/2528/5798/files/26677240647.pdf
- https://cdn.shopify.com/s/files/1/0438/4869/5958/files/55730965005.pdf
- https://cdn.shopify.com/s/files/1/0440/5601/9109/files/kuhs_b_pharm_syllabus.pdf
- https://cdn.shopify.com/s/files/1/0437/9204/0097/files/tozajawudikekaxuziwafe.pdf
- https://cdn.shopify.com/s/files/1/0429/5586/6263/files/mimukixofixajulodu.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_off0000471a.binfbcfde9c5c02f3ad95acfd42a517c08877fdb59797bcdcb62d4fa6c5234eb661 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x471A | 5720 bytes |
font_01_sfnt_off00005ab4.bin4e99e308309002280d19d4e448db6fe0558cae7f5f8729753b585d9715d7079d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AB4 | 9624 bytes |
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