MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=arjuna+award+2016+winners+list+pdf'. This indicates the document's primary purpose is to redirect users to a potentially harmful site. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content.
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=arjuna+award+2016+winners+list+pdf In PDF document text
- http://dewusatiz.ashleyinanutshell.com/uploads/1/3/1/8/131857090/7763997.pdfIn PDF document text
- http://files.cybersafetyproject.com.au/uploads/1/3/0/7/130738633/8fee6f.pdfIn PDF document text
- http://files.firedperformancehorses.com/uploads/1/3/0/7/130739544/zasesidopowi_nesir_zunokevijekewab_tefapixut.pdfIn PDF document text
- http://files.rhythmixent.com/uploads/1/3/0/7/130775583/5608292e26f.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/1/0432/4098/0643/files/35680817856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9657/5904/files/blomberg_built_under_double_oven_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4611/3173/files/autocad_sinhala_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5548/9948/files/lusosidotajifazipajena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/test_1879eb6a-339e-4d45-a409-571cd94a4742.pdf?v=1594212285In PDF document text
- https://cdn.shopify.com/s/files/1/0432/1234/1412/files/4696373122.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/1/0431/4375/7992/files/pulse_width_modulation_circuit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6104/3605/files/1782465023.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/hsc_general_maths_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4310/1591/files/magegixuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46824776831.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000abc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABC8 | 5672 bytes |
SHA-256: d0beb48e0ff729f1bb5398657ad2b942398b6d182fd10500208997023d42b4b6 |
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font_01_sfnt_off0000bf36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF36 | 14260 bytes |
SHA-256: b94083aa0bd0d0e804da30dfad164290ebc23e1cad304774ee5289ebecb2a16d |
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font_02_sfnt_off0000ebf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF7 | 16164 bytes |
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6 |
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