MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=teori+sastra+marxisme+pdf'. The ML classifier strongly flagged this PDF as malicious. The document body text is heavily corrupted but contains the same suspicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=teori+sastra+marxisme+pdf In PDF document text
- http://files.xinzhangdesign.com/uploads/1/3/1/4/131437676/valazamojox.pdfIn PDF document text
- http://files.dreamswishestravel.com/uploads/1/3/2/6/132681901/sexodajuf-toziwipazebon.pdfIn PDF document text
- http://files.krislibrary.com/uploads/1/3/0/7/130740442/1fda0f35313.pdfIn PDF document text
- http://files.thaisrussomano.com/uploads/1/3/0/8/130874361/fapajawigibekus-kofarulodejo-lozosasat.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1307/8168/files/mupemokemizoderasabipukif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3593/0273/files/cbse_class_10_board_exam_question_paper_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1608/5916/files/jspdf_autotable_header_styles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3038/8642/files/25669315557.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3584/3994/files/11559872797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6110/7096/files/1324756115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5820/7643/files/duzibedus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/fallout3_ps3_walkthrough.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5317/7237/files/mibisovelo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6842/2309/files/btec_level_3_business_book_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0000/3749/files/97972730115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1816/6167/files/tugetirebotozujivuguwof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0113/4747/files/49974894309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4048/9122/files/ninazuvogisalimu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6229 | 5172 bytes |
SHA-256: 872dfd606fee7a43734076eb4af5e073d89e35d44d5514186bff4c5a87fd6448 |
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font_01_sfnt_off000073b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B2 | 9600 bytes |
SHA-256: 3698bf75cd40ceedb87c5d550502e0f2fb8749281bec0ff05e7ca40686169aab |
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