MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=cell+cycle+quiz+pdf', which is flagged as malicious. Additionally, the document exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering via a deceptive link within the document.
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.com/pify?keyword=cell+cycle+quiz+pdf In PDF document text
- http://files.usasubs.com/uploads/1/3/1/4/131453588/nevemode.pdfIn PDF document text
- http://dudogog.navigatorsboston.org/uploads/1/3/2/7/132740541/fuluzo_zifigafesovij_sinuj.pdfIn PDF document text
- http://files.hilltoplife.com/uploads/1/3/0/8/130874058/tigerunako-risaki-fudog.pdfIn PDF document text
- http://moxasogux.bhesseandassociates.com/uploads/1/3/2/8/132814930/0690ff.pdfIn PDF document text
- http://files.chcslonline.org/uploads/1/3/1/8/131856380/4f44f5308b25dd5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/5647/1970/files/wizard101_sylvia_spitfire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2430/2759/files/wegorakonoruzonubizet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/puneson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5625/8454/files/numerologie_kabbalistique.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2141/0210/files/wabipavorumozekanakud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/95509230481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6378/8188/files/tamil_boy_baby_name_list_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2270/4030/files/zutamobapigamune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3880/1061/files/13392678964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3779/4204/files/silenuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4135/7973/files/bams_second_year_syllabus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6962/8828/files/smoldering_blood_hide_dauntless.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_off000072a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A0 | 4552 bytes |
SHA-256: 417acdf868fb1d47d365b00fe17987fcff55b742e3d3e57867975775286923cd |
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font_01_sfnt_off00008231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8231 | 10412 bytes |
SHA-256: de201eec6cac4143cdaa6821bcee2f29ca43d03cd7d45c36fb05f5e063adf7be |
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font_02_sfnt_off0000a5b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5B9 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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