MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high density of external links, many pointing to a redirector service (ttraff.cc). The document body, though heavily obfuscated, contains the URL that leads to the redirector, which is disguised as 'mental math worksheets grade 7 pdf'. This suggests a social engineering tactic to drive traffic to malicious infrastructure. No scripts were extracted, and the primary malicious behavior is the redirection to a known malicious 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=mental+math+worksheets+grade+7+pdf In PDF document text
- http://files.gailynbopp.net/uploads/1/3/2/3/132303163/5724714.pdfIn PDF document text
- http://files.stephaniehendersondesigns.com/uploads/1/3/2/7/132740277/543027.pdfIn PDF document text
- http://kidajeg.cryptofleamarket.co/uploads/1/3/1/6/131637136/5479701.pdfIn PDF document text
- http://files.pro-mx.com/uploads/1/3/0/9/130969080/tivaxe_wokuv_fatoropenaxipu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9284/4448/files/37682450985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5917/3790/files/90037643093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9107/3947/files/54486599038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4722/2422/files/20131852196.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/86842167964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4247/1064/files/gofetilatis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/3737/1037/files/addison_disease_early_detection_and_treatment_principles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/46963528990.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1883/0492/files/50039404948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1602/8309/files/43418843264.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6753/9605/files/votitotelovufefodebakufim.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76A4 | 5696 bytes |
SHA-256: 677b4002258b0c1c265df9d8f9df2df826d2f20e15f75bcd803095bf1750caab |
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font_01_sfnt_off00008a09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A09 | 3204 bytes |
SHA-256: 55635b50bad29c6b04cd9b4d5dd064b78be6c29eafc981c666da6fe4470a6799 |
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font_02_sfnt_off000096f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96F9 | 2320 bytes |
SHA-256: 7bb91423d63eb6bd7c2657278979848d60b7d38679106ec23dbd755ba6ab3d32 |
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font_03_sfnt_off0000a149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA149 | 10100 bytes |
SHA-256: 81c793eed312775e7ebe2ae90882ff5d119163fd42bc318dda11cebdbf7150b4 |
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font_04_sfnt_off0000c3d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3D5 | 16224 bytes |
SHA-256: 4362e686776cae9b5e877a8e5de4a1ff5ae9966626bcf1046762b8e3a01bbea2 |
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