MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. It also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO abuse tactic. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=vicon+english-+arabic+dictionary, which is the primary indicator of malicious intent. The ML classifier also strongly indicated maliciousness.
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=vicon+english-+arabic+dictionary In PDF document text
- http://rumuk.primandpropernews.com/uploads/1/3/1/0/131070476/4823597.pdfIn PDF document text
- http://files.littleleafflutestore.com/uploads/1/3/1/8/131859042/nubotogupaxila-zivuzobasutin-rusarok-kebuvo.pdfIn PDF document text
- http://files.calgaryburnsclub.com/uploads/1/3/1/4/131452838/pemakirodixaluxunu.pdfIn PDF document text
- http://files.prigitalsolutions.com/uploads/1/3/1/0/131071076/577897.pdfIn PDF document text
- http://files.totalresetweightloss.com/uploads/1/3/0/8/130814126/jowopadizitovexa.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/1/0437/9112/2584/files/7800391762.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6244/2661/files/biwafoxomovotejalafumep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/swimming_pool_construction_details_dwg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5355/5624/files/4087901370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5543/8241/files/conjunction_exercise_for_class_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7890/4984/files/important_days_download_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0854/6200/files/ktea_3_technical_and_interpretive_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2884/8538/files/47035516890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6072/3865/files/grow_up_king_lil_g_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8181/7495/files/crazy_frog_ringtone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kesutuzijakakewinepubad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3006/8898/files/dejavokelumoselovas.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C6B | 16820 bytes |
SHA-256: 8ecb0e7364c7d9ddc6a881470d4e8f082e2c4dab45cb94fe59dabe503e056adc |
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font_01_sfnt_off000091e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91E2 | 5440 bytes |
SHA-256: 7cc0e71bb1b8e1f1b60e0f60d8780fdb738529a33e10693f3616f69dc782d615 |
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font_02_sfnt_off0000a459.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA459 | 9976 bytes |
SHA-256: 700c8cd3dc989fcaf4237508daea61dbb9386a435c4f30ccd363db9fdb310422 |
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